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单词 montan wax
释义

montan waxn.

Brit. /ˈmɒntən waks/, U.S. /ˈmɑn(t)ən ˌwæks/
Forms: also with capital initial.
Origin: A borrowing from German. Etymon: German Montanwachs.
Etymology: < German Montanwachs (E. von Boyen 1899, in Zeitschr. f. angewandte Chemie 12 64/2) < montan relating to the coal and steel industry ( < classical Latin montānus montane adj.) + Wachs wax n.1, with second element remodelled after wax n.1
A hard, brittle wax extracted from lignite or peat by means of organic solvents and distillation, consisting mainly of saturated fatty acids of high molecular weight and their esters, and used in making polishes, varnishes, etc., and as an electrical insulator.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > waxy materials > [noun] > other types of wax
polen wax?c1450
montan wax1902
1902 Jrnl. Chem. Soc. 82 72 Montan Wax is a hard, crystalline wax melting at about 70° and is obtained when bitumen from brown coal is subjected to steam distillation.
1920 Times 4 Feb. 11/3 Montan wax..is unequalled in the manufacture of high-grade boot polishes, gramophone records, and other articles.
1947 Times 23 June 2/7 The shortage of mined coal, together with the value of montan wax, has given added value to lignite.
1961 W. Francis Coal (ed. 2) v. 270 Extraction by benzene gives a harder and purer wax..and was chosen for this reason during the late war for the extraction of montan wax from Bovey Tracey lignite.
1995 Hazardous Waste Consultant Sept.–Oct. 1.14/1 Two promising grout materials for use in containment barriers—one based on montan wax and the other on sodium silicate.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.1902
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